Table I.
Elemental Composition of the HoAcAcMS after Incubation in a 116 mM Phosphate Buffer
| Day 0a | Day 1 | Day 4 | Day 7 | Day 30 | Day 90 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| %b | noc | % | no | % | no | % | no | % | no | % | no | |
| C | 26.4 | 7.5 | 15.0 | 4.4 | 1.0 | 0.3 | 0.6 | 0.2 | 0.5 | 0.1 | 0.7 | 0.2 |
| H | 4.0 | 13.5 | 3.5 | 12.0 | 1.5 | 4.9 | 2.2 | 7.5 | 1.5 | 4.5 | 1.6 | 4.6 |
| O | 20.3 | 4.3 | 29.0 | 6.3 | 35.4 | 7.2 | 37.9 | 8.1 | 30.9 | 5.7 | 30.1 | 5.6 |
| Ho | 48.4 | 1.0 | 47.2 | 1.0 | 50.8 | 1.0 | 48.2 | 1.0 | 55.5 | 1.0 | 55.8 | 1.0 |
| P | 0.5 | 0.05 | 5.2 | 0.6 | 10.7 | 1.1 | 10.7 | 1.2 | 11.3 | 1.1 | 11.0 | 1.0 |
| Compositiond | Ho2(AcAc)3 * H2O | Intermediate | HoPO4 * 3 H2O | HoPO4 * 3 H2O | HoPO4 * 3 H2O | HoPO4 * 3 H2O | ||||||
adata taken from Bult et al. (12)
bresults from elemental analysis are the mean of two values
cno: the number of atoms, normalized on holmium
dComposition: the chemical composition of the particles